David O BRIEN
United Kingdom
45-49 Men
Evolution
2026
Cat.
country
Distance
50.5 KM
830 M+
Time
04:53:27
Rank
15
499
Gender
12
267
Cat.
country
Distance
100.7 KM
2150 M+
Time
-
Rank
DNF
Gender
DNF
Cat.
country
Distance
52 KM
1387 M+
Time
05:10:55
Rank
6
132
Gender
6
103
Cat.
country
Distance
62 KM
760 M+
Time
07:45:18
Rank
52
211
Gender
43
158
Cat.
country
Distance
167 KM
1540 M+
Time
22:56:45
Rank
38
195
Gender
35
171
March 7
Advanced
Transgrancanaria
Cat.
country
Distance
81 KM
4314 M+
Time
15:16:14
Rank
341
598
Gender
295
490
February 21
Ultra Marathon
Endurancelife | Northumberland
Cat.
country
Distance
57.5 KM
650 M+
Time
06:19:08
Rank
19
69
Gender
17
54
2025
December 7
Hurtwood 50k
Hurtwood 50k
Cat.
country
Distance
51.5 KM
1400 M+
Time
05:44:40
Rank
64
346
Gender
61
270
Cat.
country
Distance
51 KM
2000 M+
Time
06:59:33
Rank
72
255
Gender
62
193
Cat.
country
Distance
161 KM
3800 M+
Time
-
Rank
DNF
Gender
DNF
Cat.
country
Distance
55.7 KM
1300 M+
Time
06:07:24
Rank
22
102
Gender
20
78
April 26
100K Ultra
Chiltern Hills 100K
Cat.
country
Distance
100 KM
1800 M+
Time
11:37:37
Rank
17
85
Gender
14
67
February 21
Marathon
Transgrancanaria
Cat.
country
Distance
47 KM
1840 M+
Time
06:46:19
Rank
458
1275
Gender
373
956
2024
October 12
Centurion Autumn 100
Centurion Autumn 100
Cat.
country
Distance
158.4 KM
1380 M+
Time
20:55:35
Rank
27
172
Gender
24
144
September 28
FULL 50KM
Chilterns 50
Cat.
country
Distance
50.3 KM
820 M+
Time
05:04:33
Rank
3
734
Gender
3
325
Cat.
country
Distance
80.7 KM
1750 M+
Time
08:45:16
Rank
17
239
Gender
14
176
Cat.
country
Distance
161.3 KM
3210 M+
Time
-
Rank
DNF
Gender
DNF
Cat.
country
Distance
90 KM
770 M+
Time
10:14:05
Rank
74
385
Gender
68
287
February 24
Marathon
Transgrancanaria
Cat.
country
Distance
46 KM
1900 M+
Time
06:50:03
Rank
325
930
Gender
266
689
2023
Cat.
country
Distance
83.1 KM
5034 M+
Time
13:43:56
Rank
111
316
Gender
103
267
Cat.
country
Distance
161.3 KM
3210 M+
Time
24:16:21
Rank
101
208
Gender
92
169
March 26
Salcey 50 (km)
Salcey 50
Cat.
country
Distance
50 KM
424 M+
Time
05:42:50
Rank
7
51
Gender
5
33
Cat.
country
Distance
90 KM
770 M+
Time
08:25:12
Rank
18
349
Gender
18
269
2022
September 24
ULTRA
SNOWDONIA TRAIL RUNNING CHALLENGE
Cat.
country
Distance
51 KM
2390 M+
Time
09:15:14
Rank
36
64
Gender
34
60
September 18
Warwickshire Bear Ultra
Warwickshire Bear Ultra
Cat.
country
Distance
64 KM
453 M+
Time
06:08:37
Rank
8
52
Gender
8
42
2021
Cat.
country
Distance
86.7 KM
1680 M+
Time
09:32:52
Rank
51
903
Gender
46
556
2020
Cat.
country
Distance
55.4 KM
1390 M+
Time
06:20:04
Rank
55
175
Gender
51
135
September 26
Chilterns 50
Chilterns 50
Cat.
country
Distance
51 KM
750 M+
Time
04:56:34
Rank
11
654
Gender
10
325
2019
June 15
mozart Ultra
mozart 100®
Cat.
country
Distance
62.9 KM
1960 M+
Time
07:22:07
Rank
21
231
Gender
18
173
2018
Cat.
country
Distance
100.8 KM
3220 M+
Time
10:52:46
Rank
1
229
Gender
1
114
April 7
Vale Ultra
Vale Ultra
Cat.
country
Distance
51.5 KM
1200 M+
Time
06:08:16
Rank
23
249
Gender
21
176
2016
Cat.
country
Distance
99.5 KM
1930 M+
Time
11:52:12
Rank
23
1238
Gender
20
673
